109 lines
3.0 KiB
C++
Executable File
109 lines
3.0 KiB
C++
Executable File
/*
|
|
PIP - Platform Independent Primitives
|
|
System tests program
|
|
Copyright (C) 2020 Ivan Pelipenko peri4ko@yandex.ru
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "pip.h"
|
|
#include "pisystemtests.h"
|
|
#ifdef CC_GCC
|
|
# include <unistd.h>
|
|
#endif
|
|
|
|
int main(int argc, char * argv[]) {
|
|
#if defined(WINDOWS) || defined(MAC_OS)
|
|
piCout << "This program is useless for Windows";
|
|
return 0;
|
|
#else
|
|
if (getuid() != 0) {
|
|
piCout << "You should run this program as root!";
|
|
return 0;
|
|
}
|
|
PIConfig conf(
|
|
#ifndef WINDOWS
|
|
"/etc/pip.conf"
|
|
#else
|
|
"pip.conf"
|
|
#endif
|
|
);
|
|
PITimeMeasurer timer, tm;
|
|
timespec ts;
|
|
long stc = 0;
|
|
double st;
|
|
llong sts = 0;
|
|
clock_getres(CLOCK_REALTIME, &ts);
|
|
stc = long(ts.tv_sec) * 1000000000l + long(ts.tv_nsec);
|
|
conf.setValue("time_resolution_ns", stc);
|
|
piCout << "Timer resolution is " << stc << " ns";
|
|
|
|
piCout << "\"PITimer.elapsed_*\" test ... ";
|
|
stc = 0;
|
|
ts.tv_sec = 0;
|
|
ts.tv_nsec = 1000;
|
|
PIVector<double> times;
|
|
times.resize(8192);
|
|
tm.reset();
|
|
PISystemTests::time_elapsed_ns = 0;
|
|
while (tm.elapsed_s() < 3.) {
|
|
for (int i = 0; i < times.size_s(); ++i) {
|
|
timer.reset();
|
|
times[i] = timer.elapsed_m();
|
|
times[i] = timer.elapsed_s();
|
|
times[i] = timer.elapsed_u();
|
|
}
|
|
st = 0;
|
|
for (int i = 0; i < times.size_s(); ++i)
|
|
st += times[i];
|
|
//cout << times[0] << endl;
|
|
//cout << st / times.size_s() / 3. * 1000. << endl;
|
|
sts += piRoundd(st / times.size_s() / 3. * 1000.);
|
|
//cout << sts << endl;
|
|
stc++;
|
|
}
|
|
sts /= stc;
|
|
conf.setValue("time_elapsed_ns", long(sts));
|
|
piCout << "ok, cost" << sts << "ns, average in" << stc << "series (" << (stc * 3 * times.size_s()) << "executes)";
|
|
|
|
piCout << "\"usleep\" offset test ... ";
|
|
PISystemTests::time_elapsed_ns = sts;
|
|
tm.reset();
|
|
stc = 0;
|
|
sts = 0;
|
|
times.resize(128);
|
|
while (tm.elapsed_s() < 3.) {
|
|
for (int i = 0; i < times.size_s(); ++i) {
|
|
timer.reset();
|
|
usleep(1000);
|
|
times[i] = timer.elapsed_u();
|
|
}
|
|
st = 0;
|
|
for (int i = 0; i < times.size_s(); ++i)
|
|
st += times[i] - 1000;
|
|
//cout << times[0] << endl;
|
|
//cout << st / times.size_s() / 3. * 1000. << endl;
|
|
sts += piRoundd(st / times.size_s());
|
|
//cout << sts << endl;
|
|
stc++;
|
|
}
|
|
sts /= stc;
|
|
conf.setValue("usleep_offset_us", long(sts));
|
|
piCout << "ok," << sts << "us, average in" << stc << "series (" << (stc * times.size_s()) << "executes)";
|
|
|
|
//WAIT_FOR_EXIT
|
|
return 0;
|
|
#endif
|
|
};
|